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Selected Property

Summary

Gets the capture input selection state.

Syntax

C++

public bool Selected {get; set;}

Public Property Selected As Boolean

public: 
property bool Selected { 
   bool get(); 
   void set (    bool ); 
}

Property Value

true if the input is currently selected; otherwise, it is false.

Remarks

Assignment can raise an error exception. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void CaptureInputsExample() 
{ 
   string inputName, inputFriendlyName; 
   int selection; 
 
   // reference the capture control 
   CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
   // select a video device, use your device name here instead of Analog 
   if (capturectrl.VideoDevices["Analog"] == null) 
      throw new Exception("No Analog video tuner device available"); 
 
   capturectrl.VideoDevices["Analog"].Selected = true; 
 
   // get the audio inputs object 
   CaptureInputs inputs = capturectrl.VideoInputs; 
 
   try 
   { 
      // select an input by name if possible 
      if (inputs["Video Composite"] != null) 
         inputs["Video Composite"].Selected = true; 
 
      // get the current selected input 
      selection = inputs.Selection; 
 
      foreach (CaptureInput ci in inputs) 
      { 
         // get the inputs properties 
         inputName = ci.Name; 
         inputFriendlyName = ci.FriendlyName; 
 
         // if we found the video tuner input 
         if (inputFriendlyName == "Video Tuner") 
         { 
            // select it and break 
            ci.Selected = true; 
            break; 
         } 
      } 
 
      // set the result to what we expect 
      _result = (selection != inputs.Selection); 
 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
}

Imports Leadtools 
Imports Leadtools.MediaFoundation 
Imports LeadtoolsMediaFoundationExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As CaptureCtrlForm = New CaptureCtrlForm() 
 
Public Sub CaptureInputsExample() 
   Dim inputName, inputFriendlyName As String 
   Dim selection As Integer 
 
   ' reference the capture control 
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl 
 
   ' select a video device, use your device name here instead of Analog 
   If capturectrl.VideoDevices("Analog") Is Nothing Then 
      Throw New Exception("No Analog video tuner device available") 
   End If 
 
   capturectrl.VideoDevices("Analog").Selected = True 
 
   ' get the audio inputs object 
   Dim inputs As CaptureInputs = capturectrl.VideoInputs 
 
   Try 
      ' select an input by name if possible 
      If Not inputs("Video Composite") Is Nothing Then 
         inputs("Video Composite").Selected = True 
      End If 
 
      ' get the current selected input 
      selection = inputs.Selection 
 
      For Each ci As CaptureInput In inputs 
         ' get the inputs properties 
         inputName = ci.Name 
         inputFriendlyName = ci.FriendlyName 
 
         ' if we found the video tuner input 
         If inputFriendlyName = "Video Tuner" Then 
            ' select it and break 
            ci.Selected = True 
            Exit For 
         End If 
      Next ci 
 
      ' set the result to what we expect 
      _result = (selection <> inputs.Selection) 
 
   Catch e1 As Exception 
      _result = False 
   End Try 
End Sub

Requirements

Target Platforms

Reference

CaptureInput Class

CaptureInput Members

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Help Version 20.0.2020.4.2

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies